IAC Sludge Prevention Kit?

Mike8675309

Registered User
Has anyone ever heard of a Sludge prevention kit for fords prior to 91? I just signed up for AllDataDIY for my SC and was going through the service bulletins. Apparently there is a kit (F2PZ-9F939-A) that includes a spacer plate that moves the idle air solenoid out a bit to prevent sludge related problems causing poor idle quality.

Apparently the designs in 91+ models already handle that.

First I've ever heard of it.
 
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